Dithering in its simplest form can be understood by observing what happens when we quantise an image with and without modifying the source by random perturbation. In the examples below, a gradient of 256 grey levels is quantised to just black and white. Note how the dithered gradient is able to simulate a smooth transition from start to end.
2014年，曾燕红首次加入了女子登山队，在随后的两年连续遭遇了雪崩和尼泊尔大地震，曾燕红也受了重伤，抱憾而归。
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